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Saturday, September 11, 2004

Quantum Optics: Coupling One Atom To One Photon
For the first time, a team of scientists from Yale University has successfully coupled a single photon to a single superconducting qubit (quantum bit or "artificial atom"). In "Yale scientists bring quantum optics to a microchip," you'll discover that it is now possible to perform quantum optics experiments in a micro-chip electrical circuit using microwaves instead of visible photons and lasers.

This is another important step towards quantum computers where bits of data are replaced by qubits, or atoms. Because it's now possible to couple qubits to photons, this could allow qubits on a chip to be wired together via a "quantum information bus" carrying single photons. Read more here for other details and references.
:: posted by Roland Piquepaille, 3:20 PM Comments (0)
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